code: def testDuplicates(self):
      self._testListDiff(
          x=[1, 2, 4, 3, 2, 3, 3, 1],
          y=[4, 2],
          out=[1, 3, 3, 3, 1],
          idx=[0, 3, 5, 6, 7],
      )
  
file_path: tensorflow/tensorflow/compiler/tests/listdiff_op_test.py
imports: import numpy
  from tensorflow.compiler.tests import xla_test
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.ops import array_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 5 for calling the ListDiffTest obj's underlying member method code with example usage: obj.testDuplicates() without return types